Author Question: To avoid failures from seizing when pressing a shaft or mandrel, you should: A) Used sulfurized ... (Read 20 times)

geoffrey · **on:** Jul 26, 2018

To avoid failures from seizing when pressing a shaft or mandrel, you should:

A) Used sulfurized cutting oil on both parts
B) Use a good grade of lubricating oil on both parts and don't stop after you start pressing
C) Press them together dry
D) Apply a high pressure lubricant to the bore and shaft

Question 2

Suppose in the previous question that the lathe or drill press could not be set at the exact calculated speed. What would you do?

A) Just ignore speeds and set where it sounds about right
B) Set to the next higher speed
C) If it starts smoking and burning the tool, set it lower
D) Set to the next lower speed